Alright, let's work through 67402130 times 99813357 step by step
67402130 × 99813357 = 99813357 × (67402130)
+ 99813357 × 0 resulting in 0
+ 99813357 × 30 yielding 2994400710
+ 99813357 × 100 resulting in 9981335700
+ 99813357 × 2000 producing 199626714000
+ 99813357 × 00000 that equals 0
+ 99813357 × 400000 resulting in 39925342800000
+ 99813357 × 7000000 yielding 698693499000000
+ 99813357 × 60000000 producing 5988801420000000

= 6727632864250410
